7980225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 15266880

約数和(自身を除く): 7286655

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 569, 825, 935, 1275, 1707, 2805, 2845, 4675, 6259, 8535, 9673, 14025, 14225, 18777, 29019, 31295, 42675, 48365, 93885, 106403, 145095, 156475, 241825, 319209, 469425, 532015, 725475, 1596045, 2660075, 7980225]

約数ペア:

[(1, 7980225), (3, 2660075), (5, 1596045), (11, 725475), (15, 532015), (17, 469425), (25, 319209), (33, 241825), (51, 156475), (55, 145095), (75, 106403), (85, 93885), (165, 48365), (187, 42675), (255, 31295), (275, 29019), (425, 18777), (561, 14225), (569, 14025), (825, 9673), (935, 8535), (1275, 6259), (1707, 4675), (2805, 2845)]